It is 90 GFLOPS at less that 5 Watts. That's not too shabby. Adapteva claims that the Epiphany cores have a GFLOPS/W ratio of 50.

See here: http://streamcomputing.eu/blog/2012-08-27/processors-that-ca...

Also, the boards for the backers feature a ZYNQ-7020 SOC by XILINX which sports a 1.3M Gate FPGA, available to the user. This ain't bad either.